[INFO] cloning repository https://github.com/mohaque0/dataclass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mohaque0/dataclass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohaque0%2Fdataclass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohaque0%2Fdataclass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97a56e3e522cca3b9b86eb46c381d28e9ee886c1
[INFO] checking mohaque0/dataclass against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohaque0%2Fdataclass" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mohaque0/dataclass on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mohaque0/dataclass
[INFO] finished tweaking git repo https://github.com/mohaque0/dataclass
[INFO] tweaked toml for git repo https://github.com/mohaque0/dataclass written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mohaque0/dataclass already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b79ad846cd604f0d7c145aa6ff862cea2e832b972031d7f31565b6266fbc1d54
[INFO] running `Command { std: "docker" "start" "-a" "b79ad846cd604f0d7c145aa6ff862cea2e832b972031d7f31565b6266fbc1d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b79ad846cd604f0d7c145aa6ff862cea2e832b972031d7f31565b6266fbc1d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79ad846cd604f0d7c145aa6ff862cea2e832b972031d7f31565b6266fbc1d54", kill_on_drop: false }`
[INFO] [stdout] b79ad846cd604f0d7c145aa6ff862cea2e832b972031d7f31565b6266fbc1d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d02333d515c4ebcb36f3b9360d97eeb78012b797132ca4bcfb054ae5f955db6b
[INFO] running `Command { std: "docker" "start" "-a" "d02333d515c4ebcb36f3b9360d97eeb78012b797132ca4bcfb054ae5f955db6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking ast v0.1.0 (/opt/rustwide/workdir/ast)
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stdout] error[E0603]: struct `Context` is private
[INFO] [stdout]  --> ast/src/lib.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use context::Context;
[INFO] [stdout]   |                  ^^^^^^^ private struct
[INFO] [stdout]   |
[INFO] [stdout] note: the struct `Context` is defined here
[INFO] [stdout]  --> ast/src/context.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Context {
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeDef`
[INFO] [stdout]  --> ast/src/context.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Type, TypeDef};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: struct `Context` is private
[INFO] [stdout]  --> ast/src/lib.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use context::Context;
[INFO] [stdout]   |                  ^^^^^^^ private struct
[INFO] [stdout]   |
[INFO] [stdout] note: the struct `Context` is defined here
[INFO] [stdout]  --> ast/src/context.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Context {
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeDef`
[INFO] [stdout]  --> ast/src/context.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Type, TypeDef};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ast`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d02333d515c4ebcb36f3b9360d97eeb78012b797132ca4bcfb054ae5f955db6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02333d515c4ebcb36f3b9360d97eeb78012b797132ca4bcfb054ae5f955db6b", kill_on_drop: false }`
[INFO] [stdout] d02333d515c4ebcb36f3b9360d97eeb78012b797132ca4bcfb054ae5f955db6b